3D printing filament dryer



FIG. 1 is a front view of a 3D printing filament dryer showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front, left and top perspective view thereof;

FIG. 7 is a rear, right and top perspective view thereof;

FIG. 8 is a front, left and bottom perspective view thereof; and,

FIG. 9 is a rear, right and bottom perspective view thereof. 

CLAIM The ornamental design for a 3D printing filament dryer, as shown and described. 